Expert VB 2005 Business Objects Second Edition phần 7 pps
Expert VB 2005 Business Objects Second Edition phần 7 pps
... ApplicationContext.User.IsInRole("")
End Function
CHAPTER 7 ■ USING THE CSLA .NET BASE CLASSES394
Figure 7- 10. Comparing simple root objects (left) and collection root objects (right)
6315_c 07_ final.qxd 4 /7/ 06 2:19 PM Page 394
Handling ... to create
business objects that enjoy all the features and capabilities built into the CSLA .NET framework.
The great thing is th...
Expert VB 2005 Business Objects Second Edition phần 2 ppsx
... FRAMEWORK DESIGN 67
6315_c02_final.qxd 4/13/06 12: 27 PM Page 67
A business object taps into this functionality through methods exposed on BusinessBase.
The end result is that a business property ... 12: 27 PM Page 86
Business Framework
Implementation
In Chapter 1, I discussed the concepts behind the use of business objects and distributed objects.
In Chapter 2, I explored th...
Expert VB 2005 Business Objects Second Edition phần 3 doc
... the
BusinessBase class is
now complete.
BusinessListBase Class
While BusinessBase is the primary base class for building business objects, the framework must also
s
upport
c
ollections
o
f business ... the four primary base classes a business
developer will use to create editable and read-only business objects and collections:
•
Csla.BusinessBase(Of T)
• Csla.BusinessListBase(Of...
Expert VB 2005 Business Objects Second Edition phần 4 docx
... state of the business object itself. If the business object is
a subclass of
CommandBase, then the method name is DataPortal_Execute. For any other objects
that don’t inherit from
BusinessBase, ... in how the
business object is created. Where
Create() is passed the type of the business object as a parameter,
Fetch() calls a CreateBusinessObject() helper method:
obj = CreateBusin...
Expert VB 2005 Business Objects Second Edition phần 5 pdf
... code reuse offered by these methods
CHAPTER 5 ■ COMPLETING THE FRAMEWORK 277
6315_c05_final.qxd 4/13/06 12:36 PM Page 277
SmartDate can translate dates the other way as well, such as converting ...
SmartDate.
Common Business Rules
The BusinessBase class
implemented in Chapter 3 includes support for validation rules. Each rule
is a method with a signature that conforms to the
RuleHandle...
Expert VB 2005 Business Objects Second Edition phần 6 doc
... delete operations as well.
CHAPTER 7 ■ USING THE CSLA .NET BASE CLASSES 371
Figure 7- 5. Loading child objects with data
6315_c 07_ final.qxd 4 /7/ 06 2:19 PM Page 371
Though this procedure updates ... discuss how child
objects load their data.
CHAPTER 7 ■ USING THE CSLA .NET BASE CLASSES 370
Figure 7- 4. Retrieving an existing root object
6315_c 07_ final.qxd 4 /7/ 06 2:19 PM Pa...
Expert VB 2005 Business Objects Second Edition phần 8 potx
... disposed.
CHAPTER 9 ■ WINDOWS FORMS UI 477
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Try
mRoles = Admin.Roles.GetRoles
Catch ex As Csla.DataPortalException
MessageBox.Show(ex.BusinessException.ToString, ... original exception thrown by the
business code, use the
BusinessException property. Remember that you can also use the
BusinessObject property to get a reference to the business...
Expert VB 2005 Business Objects Second Edition phần 9 pdf
... ser
vices on business objects like those in this book wor
ks out w
ell in this model,
because all your business logic is in those objects. If the service merely provides an interface to
the objects, ... discuss the creation of a Web Services
interface for the
ProjectTracker business objects in order to illustrate how business objects can
support the creation of web services....
Expert VB 2005 Business Objects Second Edition phần 10 potx
... interface design, 469– 472
authentication, 470
local data por
tals
, 470
Index
6 27
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CanGetObject method
editable root business objects, 3 87
implementing Project ... child business objects
, 388–391
editable child collections
, 3 97 398
editable root business objects, 384–3 87
■INDEX636
6315_idx_final.qxd 4 /7/ 06 5: 27 PM Pag...
expert vb 2005 business objects, second edition
... DISTRIBUTED ARCHITECTURE6
6315_c01_final.qxd 4 /7/ 06 2:03 PM Page 6
Rockford Lhotka
Expert VB 2005
Business Objects
Second Edition
6315_fm_final.qxd 4 /7/ 06 5:24 PM Page i
Web Services and SOA .
. ... Framework. . . . . . . . . . . . . . . . . . . . . . 570
■CONTENTSxii
6315_fm_final.qxd 4 /7/ 06 5:25 PM Page xii
E
xpert VB 2005 Business Objects, Second Edition
Cop...
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